Xi.trouble Shooting - ETCR ETCR2000+ Manual

Symptoms
The instrument
cannot be buttoned
on.
Indicating ERROR
(Display "Err", big
error results
results unstable)
Incapable
measurement
resistance

XI.Trouble shooting

Possible Causes
No batteries.
Faulty battery polarity
Insufficient capacity of
battery
Poor contact of battery
contacts
Wrong battery type
A break in a battery
harness
Departure
POWER button
Poor contact of power
plug
Defect of
component
Insufficient capacity of
battery
Contact surface of jaw is
polluted by dust, oil etc.
or Poor enclose of jaw
Defect of
component
Measure in wrong steps
Insufficient capacity of
battery
Poor enclose of jaw,
indicating
symbol on LCD
Contact surface of jaw is
of
polluted by dust, oil etc.
Without self-calibration
before test
Defect of
component
Remedies
Set the batteries.
Install
polarity.
Replace the batteries.
Replace the battery contacts.
Replace with right type.
Make a continuity test of test
lead. If there is no continuity,
replace the battery harness.
of the
Re-assemble the button.
Re-plug or replace a plug.
Defect of PCB; when current
circuit consumption is about 100mA
or more at 6V of battery
voltage. Replace the PCB.
Replace the batteries.
Clean the surface.
Trigger the clamp several times
and then re-boot.
circuit
Replace the PCB.
Study the manual and follow it.
Replace the battery when "Low
battery" mark is displayed on
the LCD.
Trigger the clamp several times
"jaw-open"
and then re-boot.
Clean the surface.
Re-boot follow the manual,
conduct
self-calibration finished.
Check above points first. If
circuit
there is no problem, replace the
PCB, and do re-adjustment.
-27-
batteries in correct
measurement after